Sounds like it might be an oar diameter problem,I think oar right come in two sizes?
If youre's are twisting maybe wrap the oustide diameter of the oars with elctrical tape or another water prof tape thus giving you more bite,other wise drill the suckers it won't hurt them..Os

------------------
Row Quietly and fish a Cataraft
Release all Wild Fish----<'))>>{
_________________________
[/b]The less I give a [Bleeeeep!] the happier I am[/b]